we've learned dzhokhar tsarnaev will be represented by a very well-known public defender. miriam conrad's resume includes defending the shoe bomber for trying to blow autopsy plane. -- blow up a plane. >> steve: the f.b.i. in russia to talk to the suspect's parents. molly line outside the hospital in boston with the latest. >> exactly. investigators are looking through all of the people in these two men's lives that they believe committed these horrible bombings. they're flying to russia, according to the u.s. embassy, telling the a.p. they've flown to russia and russian authorities are cooperating and helping u.s. authorities as they continue to look into this case. and just exactly what tamerlan was doing in that country during the six-month trip he took last year. how far he traveled, who he was speaking with. his parents there in russia have actually said he was just visiting family members and that he did a lot of sleeping while he was there. meanwhile, here at home, the f.b.i. officials are questioning the wife of tamerlan, katherine russell tsarnaev, 24 yearly woman